Sequence alignment between 1f45(B) and UniProt seq P29459 (IL12A_HUMAN):

P29459 (IL12A_HUMAN): Interleukin-12 subunit alpha from Homo sapiens
                 10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         
         ---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------+---------
UniProt: MCPARSLLLVATLVLLDHLSLARNLPVATPDPGMFPCLHHSQNLLRAVSNMLQKARQTLEFYPCTSEEIDHEDITKDKTSTVEACLPLELTKNESCLNSRETSFITNGSCLASRKTSFMMALCLSSIYEDLKMYQVEFKTMNAKLLMDPKRQIFLDQNMLAVIDELMQALNFNSETVPQKSSLEEPDFYKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
         ................................................................XXXXXXXXXXXXXXX.................XXXXX........XXXXXXX......................................................XXXXXXXXXXXXXXXXXX...............................
PDB seq: -----------------------------------------QNLLRAVSNMLQKARQTLEFYPC---------------STVEACLPLELTKNESC-----TSFITNGS-------SFMMALCLSSIYEDLKMYQVEFKTMNAKLLMDPKRQIFLDQNMLAVIDELMQAL------------------YKTKIKLCILLHAFRIRAVTIDRVMSYLNAS
                                                  +---------+---------+--               --+---------+----     -+------       -----+---------+---------+---------+---------+--------                  ---+---------+---------+-------
                                                 20        30        40                  60        70         80                100       110       120       130       140                           170       180       190